\begin{tikzpicture}[>=Stealth,
    every node/.style={fill=white, inner sep=1pt},
]
    \tikzset{
        pics/yingshe/.style n args={2}{
            code = {
                \draw [->] (0, 0) -- (3, 0);
                \draw (3, 0) -- (5, 0) node [right] {$#2$};
                \node at (0, 0) {$#1$};
            }
        }
    }

    \foreach \x/\y [count=\i] in {
        4x^3y/2x,
        -12x^4y^3/ ,
        -16x^2yz/ ,
        \dfrac{1}{2}x^2y/
        } {
        \draw (0, 3.5-0.7*\i) pic {yingshe={\x}{\y}};
    }
    \node at (2.8, 3.2) {除以$2x^2y$};
    \draw (0, 1.75) ellipse [x radius=1.3, y radius=2];
    \draw (5.5, 1.75) ellipse [x radius=1.3, y radius=2];
\end{tikzpicture}

